Suzanne Marie Markle was 9 on the night her father shot her five times, killing her.

The Little Rock Police Department displayed the Halloween mask that John Markle apparently wore while he shot his wife and children to death, as well as the three handguns he used. (Photo courtesy KATV-TV, Channel 7)

A closer look at the mask Markle wore as he shot and killed his wife and two daughters.

A plaque at Gibbs International Magnet School in Little Rock in memory of Suzanne Markle, who was murdered by her father, along with her mother and sister, in November 1987. (Tre Baker)